Home / 49,007,781.60-73,511,672.40-42,289,317.60

Finding the Fourth Proportional to 49,007,781.60, 73,511,672.40 and 42,289,317.60

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Solution

The fourth proportional to 49,007,781.60, 73,511,672.40 and 42,289,317.60 is: 63,433,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,007,781.60 : 73,511,672.40 = 42,289,317.60 : x
  2. Step 2: Convert to fraction form
    49,007,781.60/73,511,672.40 = 42,289,317.60/x
  3. Step 3: Cross multiply
    49,007,781.60x = 73,511,672.40 × 42,289,317.60
  4. Step 4: Simplify right side
    49,007,781.60x = 3,108,758,461,430,754.50
  5. Step 5: Solve for x
    x = 3,108,758,461,430,754.50/49,007,781.60
  6. Step 6: Final answer
    x = 63,433,976.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.